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/*
* Copyright (c) 2020, Stephan Unverwerth <s.unverwerth@gmx.de>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <math.h>
namespace Gfx {
template<typename T>
class Vector2 final {
public:
constexpr Vector2() = default;
constexpr Vector2(T x, T y)
: m_x(x)
, m_y(y)
{
}
constexpr T x() const { return m_x; }
constexpr T y() const { return m_y; }
constexpr void set_x(T value) { m_x = value; }
constexpr void set_y(T value) { m_y = value; }
constexpr Vector2& operator+=(const Vector2& other)
{
m_x += other.m_x;
m_y += other.m_y;
return *this;
}
constexpr Vector2& operator-=(const Vector2& other)
{
m_x -= other.m_x;
m_y -= other.m_y;
return *this;
}
constexpr Vector2 operator+(const Vector2& other) const
{
return Vector2(m_x + other.m_x, m_y + other.m_y);
}
constexpr Vector2 operator-(const Vector2& other) const
{
return Vector2(m_x - other.m_x, m_y - other.m_y);
}
constexpr Vector2 operator*(const Vector2& other) const
{
return Vector2(m_x * other.m_x, m_y * other.m_y);
}
constexpr Vector2 operator/(const Vector2& other) const
{
return Vector2(m_x / other.m_x, m_y / other.m_y);
}
constexpr Vector2 operator*(T f) const
{
return Vector2(m_x * f, m_y * f);
}
constexpr Vector2 operator/(T f) const
{
return Vector2(m_x / f, m_y / f);
}
constexpr T dot(const Vector2& other) const
{
return m_x * other.m_x + m_y * other.m_y;
}
constexpr Vector2 normalized() const
{
T inv_length = 1 / length();
return *this * inv_length;
}
constexpr Vector2 clamped(T m, T x) const
{
Vector2 copy { *this };
copy.clamp(m, x);
return copy;
}
constexpr void clamp(T min_value, T max_value)
{
m_x = max(min_value, m_x);
m_y = max(min_value, m_y);
m_x = min(max_value, m_x);
m_y = min(max_value, m_y);
}
constexpr void normalize()
{
T inv_length = 1 / length();
m_x *= inv_length;
m_y *= inv_length;
}
constexpr T length() const
{
return sqrt(m_x * m_x + m_y * m_y);
}
constexpr String to_string() const
{
return String::formatted("[{},{}]", x(), y());
}
private:
T m_x;
T m_y;
};
typedef Vector2<float> FloatVector2;
typedef Vector2<double> DoubleVector2;
}
namespace AK {
template<typename T>
struct Formatter<Gfx::Vector2<T>> : Formatter<StringView> {
void format(FormatBuilder& builder, const Gfx::Vector2<T>& value)
{
Formatter<StringView>::format(builder, value.to_string());
}
};
}
using Gfx::DoubleVector2;
using Gfx::FloatVector2;
using Gfx::Vector2;
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